html,body{
    width: 100%;height: 100%;
}
body{
    margin: 0;
    padding-top: 50px;
}
h1,h2,h3,h4,h5,h6{
    padding: 0;margin: 0;
}

#content_page{
    width: 320px;
    background: #fff;
    margin: 0 auto;
    text-align: center;
    /* padding-top: 25px; */
    float: left;
    margin-left: 50px;
    /* padding: 20px; */
}

#user_input{
    width: 100%;
    /* margin: 25px 0; */
    font-size: 18px;
    outline: none;
}
#reply_word{
    width: 100%;
    height: 30px;
    margin-top: 10px;
    outline: none;
}

.button{
    width: 100%;
    height: 45px;
    background: rgb(78, 211, 78);
    border-radius: 5px;
    text-align: center;
    line-height: 45px;
    color: #fff;
    margin-top: 20px;
}

#show_page{
    width: 320px;
    float: left;
    position: relative;
    margin-left: 50px;
    display: none;
}

#question{
    font-size: 18px;
    font-weight: 800;
    word-wrap: break-word;
}

.qrcode{
    display: flex;
    align-items:center;/*垂直居中*/
    justify-content: center;/*水平居中*/
    padding: 10px;
}
.qrcode .qr-text{
    font-size: 12px;
    flex: 2;
    text-align: center;
}
.qrcode .qr-code{
    flex: 1;
}
.qrcode .qr-code img{
    width: 100%;
}

#pic_page{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    /* background: #ffa; */
    z-index: 9999;
}



canvas{
    width: 200%;
    height: 709px; 
    position: absolute;
    top: 0px; 
    left: 0px; 
    opacity: 1; 
    /* transform: scale(0.8); */
    z-index: 99999999; 
    /* border: solid 1px #aaa; */
    border-radius: 5px;
    box-shadow: 0px 0 10px #aaa;
    /* transition: transform 0.3s cubic-bezier(0.42, 0, 0.58, 1) 0s, opacity 0.3s cubic-bezier(0.42, 0, 0.58, 1) 0s, -webkit-transform 0.3s cubic-bezier(0.42, 0, 0.58, 1) 0s;" */
}